;;; Compiled by f2cl version:
;;; ("$Id: f2cl1.l,v 1.209 2008/09/11 14:59:55 rtoy Exp $"
;;;  "$Id: f2cl2.l,v 1.37 2008/02/22 22:19:33 rtoy Rel $"
;;;  "$Id: f2cl3.l,v 1.6 2008/02/22 22:19:33 rtoy Rel $"
;;;  "$Id: f2cl4.l,v 1.7 2008/02/22 22:19:34 rtoy Rel $"
;;;  "$Id: f2cl5.l,v 1.197 2008/09/11 15:03:25 rtoy Exp $"
;;;  "$Id: f2cl6.l,v 1.48 2008/08/24 00:56:27 rtoy Exp $"
;;;  "$Id: macros.l,v 1.106 2008/09/15 15:27:36 rtoy Exp $")

;;; Using Lisp International Allegro CL Enterprise Edition 8.1 [64-bit Linux (x86-64)] (Oct 7, 2008 17:13)
;;;
;;; Options: ((:prune-labels nil) (:auto-save t)
;;;           (:relaxed-array-decls t) (:coerce-assigns :as-needed)
;;;           (:array-type ':array) (:array-slicing t)
;;;           (:declare-common nil) (:float-format double-float))

(in-package :clml.lapack)


(let* ((one 1.0))
  (declare (type (double-float 1.0 1.0) one) (ignorable one))
  (defun dgetrs (trans n nrhs a lda ipiv b ldb$ info)
    (declare (type (array double-float (*)) b a)
     (type (array f2cl-lib:integer4 (*)) ipiv)
     (type (simple-array character (*)) trans)
     (type (f2cl-lib:integer4) info ldb$ lda nrhs n))
    (f2cl-lib:with-multi-array-data ((trans character trans-%data%
                                      trans-%offset%)
                                     (ipiv f2cl-lib:integer4
                                      ipiv-%data% ipiv-%offset%)
                                     (a double-float a-%data%
                                      a-%offset%)
                                     (b double-float b-%data%
                                      b-%offset%))
      (prog ((notran nil))
            (declare (type f2cl-lib:logical notran))
            (setf info 0)
            (setf notran (lsame trans "N"))
            (cond ((and (not notran) (not (lsame trans "T"))
                        (not (lsame trans "C")))
                   (setf info -1))
                  ((< n 0) (setf info -2))
                  ((< nrhs 0) (setf info -3))
                  ((< lda
                      (max (the f2cl-lib:integer4 1)
                           (the f2cl-lib:integer4 n)))
                   (setf info -5))
                  ((< ldb$
                      (max (the f2cl-lib:integer4 1)
                           (the f2cl-lib:integer4 n)))
                   (setf info -8)))
            (cond ((/= info 0)
                   (xerbla "DGETRS" (f2cl-lib:int-sub info))
                   (go end_label)))
            (if (or (= n 0) (= nrhs 0)) (go end_label))
            (cond (notran
                   (dlaswp nrhs b ldb$ 1 n ipiv 1)
                   (dtrsm "Left" "Lower" "No transpose" "Unit" n nrhs
                    one a lda b ldb$)
                   (dtrsm "Left" "Upper" "No transpose" "Non-unit" n
                    nrhs one a lda b ldb$))
                  (t
                   (dtrsm "Left" "Upper" "Transpose" "Non-unit" n nrhs
                    one a lda b ldb$)
                   (dtrsm "Left" "Lower" "Transpose" "Unit" n nrhs one
                    a lda b ldb$)
                   (dlaswp nrhs b ldb$ 1 n ipiv -1)))
            (go end_label)
       end_label (return (values nil nil nil nil nil nil nil nil
                                 info))))))

(in-package #-gcl #:cl-user #+gcl "CL-USER")
#+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
(eval-when (:load-toplevel :compile-toplevel :execute)
  (setf (gethash 'fortran-to-lisp::dgetrs
                 fortran-to-lisp::*f2cl-function-info*)
        (fortran-to-lisp::make-f2cl-finfo :arg-types '((simple-array
                                                        character
                                                        (1))
                                                       (fortran-to-lisp::integer4)
                                                       (fortran-to-lisp::integer4)
                                                       (array
                                                        double-float
                                                        (*))
                                                       (fortran-to-lisp::integer4)
                                                       (array
                                                        fortran-to-lisp::integer4
                                                        (*))
                                                       (array
                                                        double-float
                                                        (*))
                                                       (fortran-to-lisp::integer4)
                                                       (fortran-to-lisp::integer4))
          :return-values '(nil nil nil nil nil nil nil nil
                           fortran-to-lisp::info)
          :calls '(fortran-to-lisp::dtrsm fortran-to-lisp::dlaswp
                   fortran-to-lisp::xerbla fortran-to-lisp::lsame))))

